150D105X0020A2T

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Introduction of Tantalum Capacitors

Tantalum capacitors are polarized, non-polar or non-polarized solid electrolytic capacitors. They are constructed with a tantalum oxide anode over which is sputtered a conductive layer, its cathode is formed by an external lead deposited with a higher conductive material. The oxide surface provides a very high working surface allowing the realization of low capacitance values in a relatively small volume.

These capacitors operate thanks to a process of electrolysis, where the oxide is decomposed, producing a high dielectric constant. This produces a high breakdown voltage and great stability of the capacitance, which makes them ideal for decoupling applications and audio frequency filtering.

150D105X0020A2T Application Field and Working Principle

The 150D105X0020A2T capacitors are made of Tantalum material and have a working voltage of 10 volts. They are designed with an operating temperature range of -55℃ to 85℃ and can also work in environments with a humidity as low as 10%. They are designed with a tolerance of -20% at 85℃ and their size is 105 mils in diameter and 20 mils in length.

This type of tantalum capacitors can be used in professional audio electronics, where the device needs to operate at a low power supply but also needs to filter and reduce noise. It also can be applied to many high frequency filters, pulse circuits, and high power switching circuits.

The working principle of the 150D105X0020A2T tantalum capacitor is the same as for any other type of capacitor. The anode is a covered in a conductive oxide film and the cathode is a metallic layer. When a voltage is applied, an electric field is created between the electrodes, which draws charges that remain stored after the voltage is removed.

The dielectric layer between the two electrodes determines the value of the capacitance, with the larger the surface area of the dielectric layer and the larger the capacitance value. The material chosen for this capacitor is tantalum and its functioning is based on the phenomenon of electrochemical polarization.

Conclusion

The 150D105X0020A2T tantalum capacitors are ideal for applications that require very low power consumption, require high filtering rate, and need relatively low capacitance. This type of capacitor is very reliable and stable in nature, and its size and operating temperature range make it an ideal choice for decoupling applications and audio frequency filtering.

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